/* Target-dependent code for Cygwin running on i386's, for GDB.
- Copyright (C) 2003, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "osabi.h"
-#include "gdb_string.h"
#include "i386-tdep.h"
#include "windows-tdep.h"
#include "regset.h"
#include "gdb_obstack.h"
#include "xml-support.h"
#include "gdbcore.h"
-#include "solib.h"
-#include "solib-target.h"
+#include "inferior.h"
/* Core file support. */
#define I386_WINDOWS_SIZEOF_GREGSET 716
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
-
-static const struct regset *
-i386_windows_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- if (strcmp (sect_name, ".reg") == 0
- && sect_size == I386_WINDOWS_SIZEOF_GREGSET)
- {
- if (tdep->gregset == NULL)
- tdep->gregset = regset_alloc (gdbarch, i386_supply_gregset,
- i386_collect_gregset);
- return tdep->gregset;
- }
-
- return NULL;
-}
-
struct cpms_data
{
struct gdbarch *gdbarch;
static void
core_process_module_section (bfd *abfd, asection *sect, void *obj)
{
- struct cpms_data *data = obj;
+ struct cpms_data *data = (struct cpms_data *) obj;
enum bfd_endian byte_order = gdbarch_byte_order (data->gdbarch);
char *module_name;
size_t module_name_size;
CORE_ADDR base_addr;
- char *buf = NULL;
+ gdb_byte *buf = NULL;
- if (strncmp (sect->name, ".module", 7) != 0)
+ if (!startswith (sect->name, ".module"))
return;
- buf = xmalloc (bfd_get_section_size (sect) + 1);
+ buf = (gdb_byte *) xmalloc (bfd_section_size (sect) + 1);
if (!buf)
{
printf_unfiltered ("memory allocation failed for %s\n", sect->name);
goto out;
}
if (!bfd_get_section_contents (abfd, sect,
- buf, 0, bfd_get_section_size (sect)))
+ buf, 0, bfd_section_size (sect)))
goto out;
module_name_size =
extract_unsigned_integer (buf + 8, 4, byte_order);
- module_name = buf + 12;
- if (module_name - buf + module_name_size > bfd_get_section_size (sect))
+ if (12 + module_name_size > bfd_section_size (sect))
goto out;
+ module_name = (char *) buf + 12;
/* The first module is the .exe itself. */
if (data->module_count != 0)
return;
}
-static LONGEST
+static ULONGEST
windows_core_xfer_shared_libraries (struct gdbarch *gdbarch,
gdb_byte *readbuf,
- ULONGEST offset, LONGEST len)
+ ULONGEST offset, ULONGEST len)
{
struct obstack obstack;
const char *buf;
- LONGEST len_avail;
+ ULONGEST len_avail;
struct cpms_data data = { gdbarch, &obstack, 0 };
obstack_init (&obstack);
&data);
obstack_grow_str0 (&obstack, "</library-list>\n");
- buf = obstack_finish (&obstack);
+ buf = (const char *) obstack_finish (&obstack);
len_avail = strlen (buf);
if (offset >= len_avail)
return 0;
return len;
}
+/* This is how we want PTIDs from core files to be printed. */
+
+static std::string
+i386_windows_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
+{
+ if (ptid.lwp () != 0)
+ return string_printf ("Thread 0x%lx", ptid.lwp ());
+
+ return normal_pid_to_str (ptid);
+}
+
static CORE_ADDR
i386_cygwin_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
{
return i386_pe_skip_trampoline_code (frame, pc, NULL);
}
+static const char *
+i386_cygwin_auto_wide_charset (void)
+{
+ return "UTF-16";
+}
+
static void
i386_cygwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ windows_init_abi (info, gdbarch);
+
set_gdbarch_skip_trampoline_code (gdbarch, i386_cygwin_skip_trampoline_code);
set_gdbarch_skip_main_prologue (gdbarch, i386_skip_main_prologue);
tdep->gregset_num_regs = ARRAY_SIZE (i386_windows_gregset_reg_offset);
tdep->sizeof_gregset = I386_WINDOWS_SIZEOF_GREGSET;
- set_solib_ops (gdbarch, &solib_target_so_ops);
+ tdep->sizeof_fpregset = 0;
/* Core file support. */
- set_gdbarch_regset_from_core_section
- (gdbarch, i386_windows_regset_from_core_section);
set_gdbarch_core_xfer_shared_libraries
(gdbarch, windows_core_xfer_shared_libraries);
+ set_gdbarch_core_pid_to_str (gdbarch, i386_windows_core_pid_to_str);
+
+ set_gdbarch_auto_wide_charset (gdbarch, i386_cygwin_auto_wide_charset);
}
static enum gdb_osabi
i386_cygwin_osabi_sniffer (bfd *abfd)
{
- char *target_name = bfd_get_target (abfd);
+ const char *target_name = bfd_get_target (abfd);
- /* Interix also uses pei-i386.
- We need a way to distinguish between the two. */
if (strcmp (target_name, "pei-i386") == 0)
return GDB_OSABI_CYGWIN;
{
asection *section = bfd_get_section_by_name (abfd, ".reg");
if (section
- && bfd_section_size (abfd, section) == I386_WINDOWS_SIZEOF_GREGSET)
+ && bfd_section_size (section) == I386_WINDOWS_SIZEOF_GREGSET)
return GDB_OSABI_CYGWIN;
}
return GDB_OSABI_UNKNOWN;
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_i386_cygwin_tdep (void);
-
void
_initialize_i386_cygwin_tdep (void)
{
projects / deliverable / binutils-gdb.git / blobdiff